No such thing as a dumb question ... just dumb answers A video card is what allows you to play much more complex games with richer graphics with much better picture and faster movement the better the card the better the overall performance of your games and also what ever your watching such as movies or dvd's ... the dvd player of course is not a video card but if you had a dvd then the video card is what would boost the image there are plenty of good cards and a few great cards ... all depends on the amount of $ you want to spend. There are 2 kinds of cards one older not very good is the PCI slot and the best is the AGP slot it is brown in color you need to look inside your computer to see if you have the AGP slot or only the PCI.